CA2079236C - Multiple fluid source isolation, metering and alarm system and method - Google Patents

Multiple fluid source isolation, metering and alarm system and method Download PDF

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Publication number
CA2079236C
CA2079236C CA002079236A CA2079236A CA2079236C CA 2079236 C CA2079236 C CA 2079236C CA 002079236 A CA002079236 A CA 002079236A CA 2079236 A CA2079236 A CA 2079236A CA 2079236 C CA2079236 C CA 2079236C
Authority
CA
Canada
Prior art keywords
fluid
flow
weighing
amount
weighing bag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002079236A
Other languages
English (en)
French (fr)
Other versions
CA2079236A1 (en
Inventor
Michael G. Ford
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baxter International Inc
Original Assignee
Baxter International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baxter International Inc filed Critical Baxter International Inc
Publication of CA2079236A1 publication Critical patent/CA2079236A1/en
Application granted granted Critical
Publication of CA2079236C publication Critical patent/CA2079236C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804—Flow controllers
    • A61M5/16809—Flow controllers by repeated filling and emptying of an intermediate volume
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/342—Adding solutions to the blood, e.g. substitution solutions
    • A61M1/3441—Substitution rate control as a function of the ultrafiltration rate
    • A61M1/3451—Substitution rate control as a function of the ultrafiltration rate the difference in weight between both ultra-filtrate and substitution reservoir being used as control signal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/3496—Plasmapheresis; Leucopheresis; Lymphopheresis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G17/00—Apparatus for or methods of weighing material of special form or property
    • G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3386—Low level detectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3393—Masses, volumes, levels of fluids in reservoirs, flow rates by weighing the reservoir
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
    • A61M5/16845—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion by weight

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • External Artificial Organs (AREA)
  • Flow Control (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
CA002079236A 1990-03-30 1991-03-28 Multiple fluid source isolation, metering and alarm system and method Expired - Fee Related CA2079236C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50239590A 1990-03-30 1990-03-30
US502,395 1990-03-30
PCT/US1991/002192 WO1991015253A2 (en) 1990-03-30 1991-03-28 Multiple fluid source isolation, metering and alarm system and method

Publications (2)

Publication Number Publication Date
CA2079236A1 CA2079236A1 (en) 1991-10-01
CA2079236C true CA2079236C (en) 2001-12-11

Family

ID=23997629

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002079236A Expired - Fee Related CA2079236C (en) 1990-03-30 1991-03-28 Multiple fluid source isolation, metering and alarm system and method

Country Status (7)

Country Link
EP (2) EP0704224B1 (ja)
JP (1) JP3200667B2 (ja)
AT (2) ATE138581T1 (ja)
CA (1) CA2079236C (ja)
DE (2) DE69132942T2 (ja)
DK (2) DK0704224T3 (ja)
WO (1) WO1991015253A2 (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910252A (en) * 1993-02-12 1999-06-08 Cobe Laboratories, Inc. Technique for extracorporeal treatment of blood
US6495366B1 (en) 1999-09-03 2002-12-17 Therakos, Inc. Uninterrupted flow pump apparatus and method
US6793643B1 (en) * 2000-04-21 2004-09-21 Therakos, Inc. Low extracorporeal volume treatment system
US7422565B2 (en) 2002-07-09 2008-09-09 Gambro Lundia Ab Support element for an extracorporeal fluid transport line
AU2003228309A1 (en) * 2003-03-13 2004-10-11 Immunocept, L.L.C. Method and system for colloid exchange therapy
US7744553B2 (en) 2003-12-16 2010-06-29 Baxter International Inc. Medical fluid therapy flow control systems and methods
EP2192937B1 (en) 2007-10-04 2011-12-07 Gambro Lundia AB An infusion apparatus
EP2343092B2 (en) * 2009-12-22 2016-07-13 Gambro Lundia AB Method and apparatus for controlling a fluid flow rate in a fluid transport line of a medical device
DE102011018601B4 (de) 2011-04-21 2017-04-06 Fresenius Medical Care Deutschland Gmbh Vorrichtung zur extrakorporalen Blutbehandlung und Verfahren zur Überwachung der Flüssigkeitsströmung einer extrakorporalen Blutbehandlungsvorrichtung
EP2968720B1 (en) 2013-03-15 2017-04-19 Gambro Lundia AB Extracorporeal blood treatment apparatus with reservoir status lights
EP3031485B1 (en) * 2014-12-10 2018-11-21 B. Braun Avitum AG Method and control apparatus for determining and adjusting a flow rate of a blood delivery pump
CN105194763A (zh) * 2015-10-28 2015-12-30 郑溢鑫 具有药液输液报警功能的装置
DE102015121065A1 (de) * 2015-12-03 2017-06-08 Fresenius Medical Care Deutschland Gmbh Medizinischer Fluidbeutelhalter und Verfahren zu seiner Herstellung, medizinische Wiegevorrichtung und Behandlungsvorrichtung
US10874791B2 (en) 2015-12-03 2020-12-29 Fresenius Medical Care Deutschland Gmbh Medical fluid bag rack and method to manufacture it, medical weighing device and blood treatment apparatus
ES2629163B1 (es) * 2017-03-30 2017-12-01 Grifols Worldwide Operations Limited Dispositivo de recambio plasmático terapéutico
DE102017115429A1 (de) 2017-07-10 2019-01-10 Fresenius Medical Care Deutschland Gmbh Verfahren und Vorrichtungen zum Kalibrieren einer Pumpe für die Blutbehandlung
US20210128811A1 (en) * 2019-11-06 2021-05-06 Fenwal, Inc. Therapeutic Plasma Exchange Systems and Methods
CN113567070B (zh) * 2021-06-15 2024-04-05 青岛海特生物医疗有限公司 一种气浴式融浆机及血浆泄露检测方法
CN116870296B (zh) * 2023-09-07 2023-11-21 广东宝莱特医用科技股份有限公司 基于泵秤联调的输注控制方法、装置、设备、存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397197A1 (en) * 1978-11-03 1979-02-09 Sodip Sa Extracorporeal blood purificn. - by simultaneous haemodialysis and haemo-filtration with incorporated flow ewuilibrantion
GB2128882B (en) * 1982-10-22 1986-06-18 Terence Albert Overall Drip-feed supply apparatus
US4605503A (en) * 1983-05-26 1986-08-12 Baxter Travenol Laboratories, Inc. Single needle blood fractionation system having adjustable recirculation through filter
DE3637771C1 (de) * 1986-11-06 1987-12-10 Braun Melsungen Ag Infusionsvorrichtung

Also Published As

Publication number Publication date
DK0704224T3 (da) 2002-05-27
EP0704224B1 (en) 2002-02-27
EP0522075A1 (en) 1993-01-13
WO1991015253A3 (en) 1992-01-09
DE69132942T2 (de) 2002-11-07
EP0704224A2 (en) 1996-04-03
DK0522075T3 (da) 1996-10-14
ATE213652T1 (de) 2002-03-15
DE69119897D1 (de) 1996-07-04
DE69132942D1 (de) 2002-04-04
ATE138581T1 (de) 1996-06-15
EP0704224A3 (en) 1996-09-18
WO1991015253A2 (en) 1991-10-17
JPH05508560A (ja) 1993-12-02
JP3200667B2 (ja) 2001-08-20
DE69119897T2 (de) 1997-01-23
CA2079236A1 (en) 1991-10-01
EP0522075B1 (en) 1996-05-29

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